n | a(n) |
---|---|
1 | 8 |
2 | 7 |
3 | 19 |
4 | 50 |
5 | 146 |
6 | 404 |
7 | 1074 |
8 | 2990 |
9 | 8316 |
10 | 22660 |
11 | 62314 |
12 | 172244 |
13 | 473150 |
14 | 1300260 |
15 | 3582364 |
16 | 9857308 |
17 | 27108012 |
18 | 74607826 |
19 | 205320218 |
20 | 564864078 |
21 | 1554286696 |
22 | 4277060278 |
23 | 11768341874 |
24 | 32381151240 |
25 | 89101629960 |
26 | 245170898378 |
[8,7,19,50,146,404,1074,2990,8316,22660,62314, 172244,473150,1300260,3582364,9857308,27108012, 74607826,205320218,564864078,1554286696, 4277060278,11768341874,32381151240,89101629960, 245170898378] |